99 Club Studio v1.31.1
Arithmetic & Calculation category review and print/preview polish.
- Correct-Answer Maze: up to 10×10 and longer Challenge routes.
- Maths Crossnumber: up to 20 clues / 17×17 and preview containment improvements.
- Number Search: independent exhaustive uniqueness regression.
- Arithmetic Equation Crossgrid: 5×5 / 8×8 / 10×10, dark blocked cells and true four-operation mixed mode.
- Target Number + Broken Calculator: direct-PDF presentation brought much closer to preview.
- Missing Operations becomes Operation Codebreaker with large operation slots and an unlock code.
- Kakuro gains explicit 9×9 and standard dark blocked cells.
- Arithmetic Cages get stronger internal grid lines.
- Magic Star safe bounds and six-item Number Connections layout are corrected in preview/PDF.